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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18625) Splitting of region with replica, doesn't update region list in serverHolding. A server crash leads to overlap.
Date Tue, 05 Dec 2017 19:31:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16279096#comment-16279096
] 

huaxiang sun commented on HBASE-18625:
--------------------------------------

Take this over for now. [~igloo1986], please let me know if you want to work on it, thanks.

> Splitting of region with replica, doesn't update region list in serverHolding. A server
crash leads to overlap.
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-18625
>                 URL: https://issues.apache.org/jira/browse/HBASE-18625
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 1.2.6
>            Reporter: Igloo
>            Assignee: huaxiang sun
>             Fix For: 1.2.8
>
>
> The situation can appear in following steps in release hbase1.2.6
> 1. create 'testtable', 'info', {REGION_REPLICATION=>2}
> 2. write somerecords into 'testtable'
> 3. split the table 'testtable'
> 4. after the spliting, the serverHoldings in RegionStates still holds the regioninfo
for the replica of parent region
> 5. restart the regionserver where the parent replica-region located
> 6. the offlined replica of parent region will be assigned in ServerCrashProcedure. 
> hbase hbck 'testtable‘
> ERROR: Region { meta => null, hdfs => null, deployed => qabb-qa-hdp-hbase1,16020,1503022958093;testtable,,1503022907686_0001.42d11cfe195b3cc4d08b2c078a687f6d
   ., replicaId => 1 } not in META, but deployed on qabb-qa-hdp-hbase1,16020,1503022958093
>  18 ERROR: No regioninfo in Meta or HDFS. { meta => null, hdfs => null, deployed
=> qabb-qa-hdp-hbase1,16020,1503022958093;testtable,,1503022907686_0001.42d11cfe    195b3cc4d08b2c078a687f6d.,
replicaId => 1 }



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